US20220194738A1 - Spatial location positioning method and system for elevator and elevator - Google Patents

Spatial location positioning method and system for elevator and elevator Download PDF

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Publication number
US20220194738A1
US20220194738A1 US17/394,581 US202117394581A US2022194738A1 US 20220194738 A1 US20220194738 A1 US 20220194738A1 US 202117394581 A US202117394581 A US 202117394581A US 2022194738 A1 US2022194738 A1 US 2022194738A1
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US
United States
Prior art keywords
elevator
wireless communication
field wireless
spatial location
target object
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
US17/394,581
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English (en)
Inventor
Fu Qi
BiChun Li
Shenhong Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Publication of US20220194738A1 publication Critical patent/US20220194738A1/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/468—Call registering systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3415—Control system configuration and the data transmission or communication within the control system
    • B66B1/3446—Data transmission or communication within the control system
    • B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0012—Devices monitoring the users of the elevator system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/825—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/10—Details with respect to the type of call input
    • B66B2201/103—Destination call input before entering the elevator car
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4615—Wherein the destination is registered before boarding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4638—Wherein the call is registered without making physical contact with the elevator system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4653—Call registering systems wherein the call is registered using portable devices

Definitions

  • the present disclosure relates to the technical field of elevators, and in particular to a spatial location positioning method for an elevator, a spatial location positioning system for an elevator, and an elevator.
  • elevators have received very wide applications; especially, installation of them in environments such as high-rise buildings and large buildings can bring great convenience to users.
  • elevator equipment has a large space area, and in some cases, there is a need for positioning personnel and objects therein. For example, when workers need to perform operations such as equipment repair and parts replacement along a long and narrow elevator hoistway, if their current locations can be positioned timely and accurately, it would be very advantageous from the perspective of safety.
  • a spatial location positioning method for an elevator which comprises the steps of: transmitting near-field wireless communication signals in preset areas of the elevator; receiving response signals of a target object to the near-field wireless communication signals, and analyzing signal AOA (angle of arrival) information from the response signals; and determining current location of the target object according to the signal AOA information.
  • near-field wireless communication with the target object is performed at least based on a first position, a second position and a third position, wherein the first position, the second position and the third position are respectively arranged in different spatial planes in the preset areas.
  • the transmitted near-field wireless communication signals cover at least a part of an elevator hoistway area and/or at least a part of an elevator waiting area.
  • the near-field wireless communication signals are transmitted in the preset areas with a preset period.
  • the near-field wireless communication with the target object uses at least one of Bluetooth Low Energy (BLE), ZIGBEE, WIFI, Radio Frequency (RF) and infrared communication.
  • BLE Bluetooth Low Energy
  • ZIGBEE ZIGBEE
  • WIFI Wireless Fidelity
  • RF Radio Frequency
  • the target object includes a mobile terminal or a wearable device.
  • the spatial location positioning method further comprises the step of transmitting the determined current location of the target object to a server terminal locally disposed in the elevator or disposed on a cloud platform for processing.
  • the processing includes using the current location of the target object to form an elevator-calling request, and the elevator-calling request includes a lobby door calling request and a destination calling request.
  • a spatial location positioning system for an elevator which includes: near-field wireless communication devices configured to transmit near-field wireless communication signals in preset areas of the elevator for performing near-field wireless communication with a target object; and a processor connected to the near-field wireless communication devices and configured to execute the following steps: analyzing signal AOA (angle of arrival) information from response signals of the target object to the near-field wireless communication signals obtained by the near-field wireless communication devices; and determining current location of the target object according to the signal AOA information.
  • AOA angle of arrival
  • the near-field wireless communication devices are arranged at least in a first position, a second position and a third position to perform near-field wireless communication with the target object, and the first position, the second position and the third position are respectively arranged in different spatial planes in the preset areas.
  • the near-field wireless communication device is arranged such that the near-field wireless communication signal covers at least a part of an elevator hoistway area and/or at least a part of an elevator waiting area.
  • the processor is configured to control the near-field wireless communication devices to transmit the near-field wireless communication signals in the preset areas with a preset period.
  • the near-field wireless communication with the target object uses at least one of Bluetooth Low Energy (BLE), ZIGBEE, WIFI, Radio Frequency (RF) and infrared communication.
  • BLE Bluetooth Low Energy
  • ZIGBEE ZIGBEE
  • WIFI Wireless Fidelity
  • RF Radio Frequency
  • the target object includes a mobile terminal or a wearable device.
  • the processor is further configured to transmit the determined current location of the target object to a server terminal locally disposed in the elevator or disposed on a cloud platform for processing.
  • the processing comprises using the current location of the target object to form an elevator-calling request, the elevator-calling request comprising a lobby door calling request and a destination calling request.
  • an elevator which comprises any one of the spatial location positioning system for an elevator as described above.
  • the technical solutions of the present disclosure can quickly and accurately determine the current location of the target object in the elevator area, which is for example helpful in improving the personal safety of elevator maintenance personnel and the like, and realizing more intelligent functions such as seamless elevator calling.
  • the present disclosure has strong practicability and low use cost, and can effectively enhance the competitiveness of elevator products.
  • FIG. 1 is a schematic flowchart of an embodiment of a spatial location positioning method for an elevator according to the present disclosure.
  • FIG. 2 is a schematic view of a scene in which an embodiment of a spatial location positioning system for an elevator of the present disclosure is applied to position workers in an elevator hoistway.
  • FIG. 1 exemplarily shows a processing flow of an embodiment of a spatial location positioning method for an elevator according to the present disclosure.
  • the spatial location positioning method may include the following steps:
  • any one or more feasible near-field wireless communication means such as BLE, ZIGBEE, WIFI, RF and infrared communication may be used to transmit near-field wireless communication signals outward, so that a near-field wireless communication network capable of covering all or part of the preset areas can be formed according to different practical application needs, thus enabling target objects within the signal coverage to receive the above near-field wireless communication signals to form a near-field wireless communication connection.
  • the target objects may include, but are not limited to, for example, mobile terminals (such as mobile phones, tablet computers), wearable devices and the like which have corresponding near-field wireless communication functions, or they may also be regarded as people, animals or objects which have carried devices with near-field wireless communication function.
  • mobile terminals such as mobile phones, tablet computers
  • wearable devices and the like which have corresponding near-field wireless communication functions
  • they may also be regarded as people, animals or objects which have carried devices with near-field wireless communication function.
  • step S 12 after receiving the near-field wireless communication signals, the target object will respond to the near-field wireless communication signals and transmit corresponding response signals; by receiving the response signals and by analyzing, signal AOA (angle of arrival) information contained therein can be obtained. Since this type of AOA information is associated with the current location of the target object, it can be used for spatial positioning of the target object.
  • AOA angle of arrival
  • step S 13 the current location of the target object can be determined according to the signal AOA information obtained after the above analyzing, and the whole process is very fast, accurate and efficient.
  • the near-field wireless communication signals may be each sent out from three or more locations respectively arranged in different spatial planes in the preset areas; then, after the target object makes a response to these signals respectively and generates corresponding response signals, by receiving these response signals and analyzing each signal AOA information contained in these response signals respectively, the current spatial location of the target object can be determined more accurately with all the information combined.
  • the near-field wireless communication signals may be sent out from only one position or two different positions in the preset areas; by establishing the above described near-field wireless communication connection with the target object, the current location of the target object can also be determined.
  • the method of the present disclosure allows for flexible settings, changes and adjustments to aspects such as the specific transmission location, transmission power, transmission period, coverage area and the like of the near-field wireless communication signals according to different application needs, without imposing any restrictions on these aspects.
  • the determined current location of the target object may be transmitted in a wired and/or wireless manner to a server terminal locally disposed in the elevator or disposed on a cloud platform for any possible processing; for example, since the above current location information actually corresponds to the current location of the carrier of the target object (for example, it is found that the trend of the current moving trajectory is gradually approaching the elevator door), it can be directly used to form an elevator-calling request (such as a lobby door calling request, a destination calling request, etc.).
  • an elevator-calling request such as a lobby door calling request, a destination calling request, etc.
  • the user does not need to actively operate the elevator button to start the elevator-calling request, and the seamless elevator calling service can be realized very efficiently, conveniently and intelligently, which is very helpful for improving the use experience for elevator users, and enhancing the function and competitiveness of elevator products.
  • FIG. 2 only schematically shows a scene in which an embodiment of a spatial location positioning system for an elevator of the present disclosure is applied to spatially position workers in an elevator hoistway.
  • the embodiment of the spatial location positioning system for the elevator may include near-field wireless communication devices N 1 , N 2 , N 3 , N 4 . . . Nn and a processor 5 .
  • the above near-field wireless communication devices N 1 , N 2 , N 3 , N 4 . . . Nn may be arranged at different positions in an elevator hoistway 1 according to application needs.
  • one or more near-field wireless communication devices may be arranged respectively for different floors, so that they can form a desired near-field wireless communication network capable of covering all or part of the areas of the elevator hoistway 1 and that response signals fed back from the outside can be received.
  • the near-field wireless communication devices may be set to use one or more near-field wireless communication means (such as BLE, ZIGBEE, WIFI, RF, infrared communication, etc.) to communicate and interact with the outside. Therefore, in some applications, the near-field wireless communication devices in this document may also be directly referred to as BLE devices, RF devices, etc. In the present disclosure, there is no need to elaborate the components, modules or units owned by such near-field wireless communication devices themselves.
  • the processor 5 is connected to the near-field wireless communication devices N 1 , N 2 , N 3 , N 4 . . . Nn, and may be used to control one or more of the above-mentioned near-field wireless communication devices to transmit near-field wireless communication signals in the elevator hoistway 1 .
  • the spatial location of the target object at this point can be determined according to the signal AOA information.
  • the processor 5 may be implemented by using hardware, software, or a combination thereof, and it may also be connected to an elevator management system or used as a part of the elevator management system.
  • the processor 5 may also be optionally set to have more functions; for example, the determined current location of the target object may be transmitted to the server terminal for any possible subsequent processing.
  • This type of server terminal may be directly disposed locally in the elevator, or it may also be disposed on a cloud platform.
  • the above-mentioned subsequent processing performed on the server terminal may be using the current location of the target object to form an elevator-calling request, which has been introduced in the above and will not be described repeatedly herein.
  • the worker 3 when the worker 3 performs operations on an elevator car 2 such as maintenance, inspection, part replacement along the elevator hoistway 1 , he may carry a mobile terminal 4 (or any suitable form of wearable device such as glasses, helmet, coat, etc.) with himself as the target object mentioned herein, so that the current location of the worker 3 in the elevator hoistway 1 can be accurately determined in real time during work.
  • a mobile terminal 4 or any suitable form of wearable device such as glasses, helmet, coat, etc.
  • the near-field wireless communication devices N 2 , N 3 and N 4 adjacent to the worker 3 i.e., the mobile terminal 4
  • the travel trajectory of the worker 3 can be continuously tracked and accurately grasped in real time.
  • the safety management level of elevators is improved.
  • the number, arrangement locations, powers, sizes, expected coverage area and the like of the near-field wireless communication devices may each be set, selected and adjusted according to actual application needs. For example, in some applications, only one or two near-field wireless communication devices may be arranged at suitable locations of the elevator.
  • the user it is also possible for him to carry two or more mobile terminals or wearable devices used as target objects at the same time, so that even if one of them fails, is damaged or lost, etc., other target objects can maintain communication with the near-field wireless communication devices. This redundant configuration can further enhance the safety and reliability of the system.
  • an elevator is also provided.
  • the elevator can be equipped with the spatial location positioning system for the elevator designed and provided according to the present disclosure.
  • the spatial location positioning system can be arranged at a suitable location of the elevator according to specific application needs, so that the current location of the target object can be determined timely and accurately, which can effectively ensure the safety of people and equipment and can provide intelligent application functions with better user experience such as seamless elevator calling, so that these technical advantages of the above-discussed solutions of the present disclosure over the prior art can be exhibited.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Elevator Control (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
US17/394,581 2020-12-22 2021-08-05 Spatial location positioning method and system for elevator and elevator Pending US20220194738A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011525408.2A CN114715746A (zh) 2020-12-22 2020-12-22 用于电梯的空间位置定位方法和系统以及电梯
CN202011525408.2 2020-12-22

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US20220194738A1 true US20220194738A1 (en) 2022-06-23

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US17/394,581 Pending US20220194738A1 (en) 2020-12-22 2021-08-05 Spatial location positioning method and system for elevator and elevator

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US (1) US20220194738A1 (zh)
EP (1) EP4020010A1 (zh)
CN (1) CN114715746A (zh)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9702963B2 (en) * 2012-05-30 2017-07-11 Nokia Technologies Oy Method, apparatus, and computer program product for high accuracy location determination
CN106608566A (zh) * 2015-10-26 2017-05-03 天津鑫宝龙电梯集团有限公司 一种用于远程监控电梯的遥监设备
US10976424B2 (en) * 2018-06-29 2021-04-13 Otis Elevator Company Automatic determination of position and orientation of elevator device entry terminals and hallway fixtures
CN108861929A (zh) * 2018-07-23 2018-11-23 辽宁华盾安全技术股份有限公司 电梯四维监控方法与系统
CN112027836A (zh) * 2019-06-04 2020-12-04 奥的斯电梯公司 电梯轿厢的位置信息的获取
CN112047211A (zh) * 2020-09-21 2020-12-08 上海贝思特电气有限公司 电梯呼叫方法、装置及存储介质

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CN114715746A (zh) 2022-07-08

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